14054-87-6 Europium thenoyl trifluoroacetonate Europium thenoyltrifluoroacetonate Europium trifluorothenoylacetonate Europium tris(thienoyltrifluoroacetonate) Europium, tris[4,4,4-trifluoro-1-(2-thienyl)-1,3-butanedionato]- NSC270083 Tris(2-thenoyltrifluoroacetonate)europium